How many different binary trees and binary search trees can
be made from three nodes that contain the key values 1, 2 & 3?

Answer Posted / vinoth kumar.r

Binary search trees care only about the inorder traversal of
the tree. And specifying inorder traversal of a tree doesnt
mean there is a unique representation of it.
5 Binary search trees are possible

Is This Answer Correct ?    13 Yes 9 No



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